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发明名称
ELECTRIC CIRCUIT CONTROLLERS
摘要
申请公布号
CA513024(A)
申请公布日期
1955.05.17
申请号
CAD513024
申请日期
申请人
WESTINGHOUSE AIR BRAKE COMPANY
发明人
WILLIAM R. GRACEY, JR.
分类号
主分类号
代理机构
代理人
主权项
地址
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